What is a URL? Edit

A Uniform Resource Locator (URL) is used to designate a location address for a web page within the World Wide Web. URL's were defined by Tim Berners-Lee in 1994 in response to the need for online resource collaboration between individuals in two remote locations.

Syntax Edit


  • Scheme: a sequence of characters beginning with a letter and followed by any combination of letters, digits, etc.
  • An authority part consisting of
    • An authentication section or username
    • A host consisting of either a registered name or IP address
    • An optional port number, separated by a semi-colon
  • A path which contains data organized in a hierarchical format.
  • An optional query conmtaining a query string
  • an optional fragment containing a fragment identifier


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